/*
 * Sherwood Adventure Tournament System
 * Main Stylesheet
 * Branding matched to sherwoodadventure.com
 */

/* ============================================================
   CSS VARIABLES / THEME
   ============================================================ */
:root {
    --color-primary-green: #05290b;
    --color-dark-green: #032006;
    --color-orange: #ffa133;
    --color-gold: #fed611;
    --color-charcoal: #27292a;
    --color-light-gray: #dfdfdf;
    --color-white: #ffffff;
    --color-brown-border: #46240c;
    --color-teal: #149cb3;
    --color-overlay-green: rgba(5, 41, 10, 0.46);
    --color-overlay-dark: rgba(0, 0, 0, 0.3);
    --color-success: #2d7a3a;
    --color-danger: #c0392b;
    --color-warning: #d4a017;
    --color-info: #149cb3;

    --font-display: 'Dancing Script', cursive;
    --font-heading: 'Lato', sans-serif;
    --font-button: 'Lustria', serif;
    --font-body: 'PT Sans', sans-serif;
    --font-secondary: 'EB Garamond', serif;

    --border-radius: 11px;
    --transition: 0.2s ease;
    --container-width: 1200px;
    --header-height: 100px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-light-gray);
    background-color: var(--color-primary-green);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-gold);
    text-decoration: underline;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-teal);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    flex: 1;
    padding: 40px 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    background: linear-gradient(180deg, var(--color-primary-green) 0%, rgba(0,0,0,0.3) 100%);
    border-top: 5px solid var(--color-brown-border);
    border-bottom: 5px solid var(--color-brown-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo {
    height: 70px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-gold);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-links a {
    display: block;
    padding: 10px 18px;
    color: var(--color-gold);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.nav-links a:hover {
    color: var(--color-orange);
    border-color: var(--color-orange);
    background: rgba(255, 161, 51, 0.1);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, .h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 48px;
    line-height: 1.2;
    color: var(--color-gold);
    margin-bottom: 20px;
}

h2, .h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 36px;
    line-height: 1.3;
    color: var(--color-orange);
    margin-bottom: 16px;
}

h3, .h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 22px;
    line-height: 1.4;
    color: var(--color-gold);
    margin-bottom: 12px;
}

h4, .h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    line-height: 1.4;
    color: var(--color-light-gray);
    margin-bottom: 8px;
}

p {
    margin-bottom: 16px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-button);
    font-size: 14px;
    text-decoration: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid var(--color-orange);
    text-align: center;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(180deg, rgb(5, 41, 11) 0%, rgba(0, 0, 0, 0.3) 100%);
    color: var(--color-orange);
    box-shadow: 0 0 5px var(--color-gold);
}

.btn-primary:hover {
    background: var(--color-teal);
    border-color: var(--color-charcoal);
    color: var(--color-white);
    box-shadow: 0 0 10px var(--color-teal);
}

.btn-secondary {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-primary-green);
}

.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: var(--color-white);
}

.btn-small {
    padding: 6px 16px;
    font-size: 12px;
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

.btn:disabled, .btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--color-charcoal);
    border: 1px solid var(--color-brown-border);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 20px;
    transition: border-color var(--transition);
}

.card:hover {
    border-color: var(--color-orange);
}

.card-header {
    border-bottom: 2px solid var(--color-brown-border);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.card-subtitle {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--color-light-gray);
    opacity: 0.7;
}

.card-body {
    margin-bottom: 16px;
}

.card-footer {
    border-top: 1px solid var(--color-brown-border);
    padding-top: 12px;
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-gold);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--color-light-gray);
    background: var(--color-primary-green);
    border: 1px solid var(--color-brown-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 5px rgba(254, 214, 17, 0.3);
}

.form-control::placeholder {
    color: rgba(223, 223, 223, 0.4);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fed611' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

select.form-control option {
    background: var(--color-charcoal);
    color: var(--color-light-gray);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 13px;
    color: rgba(223, 223, 223, 0.5);
    margin-top: 4px;
}

.sms-policy-notice {
    font-size: 11px;
    color: rgba(223, 223, 223, 0.5);
    margin-top: 16px;
    line-height: 1.4;
}
.sms-policy-notice a {
    color: var(--color-orange);
    text-decoration: underline;
}

.form-error {
    font-size: 13px;
    color: var(--color-danger);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-brown-border);
    border-radius: var(--border-radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

thead {
    background: linear-gradient(180deg, var(--color-primary-green) 0%, rgba(0, 0, 0, 0.3) 100%);
}

thead th {
    padding: 14px 16px;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-gold);
    border-bottom: 2px solid var(--color-brown-border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(70, 36, 12, 0.3);
    color: var(--color-light-gray);
}

tbody tr:hover {
    background: rgba(255, 161, 51, 0.05);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================
   BADGES / STATUS INDICATORS
   ============================================================ */
.badge {
    display: inline-block;
    padding: 3px 10px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 20px;
    border: 1px solid;
}

.badge-draft        { color: var(--color-light-gray); border-color: var(--color-light-gray); }
.badge-open         { color: var(--color-success); border-color: var(--color-success); }
.badge-closed       { color: var(--color-warning); border-color: var(--color-warning); }
.badge-in-progress  { color: var(--color-teal); border-color: var(--color-teal); }
.badge-completed    { color: var(--color-gold); border-color: var(--color-gold); }
.badge-cancelled    { color: var(--color-danger); border-color: var(--color-danger); }

.badge-type {
    background: rgba(255, 161, 51, 0.1);
    color: var(--color-orange);
    border-color: var(--color-orange);
}

/* ============================================================
   TOURNAMENT TYPE ICONS / LABELS
   ============================================================ */
.tournament-type-label {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.type-single-elim   { color: var(--color-orange); }
.type-double-elim   { color: var(--color-gold); }
.type-round-robin   { color: var(--color-teal); }
.type-two-stage     { color: #a67cd9; }
.type-league        { color: #e06c75; }

/* Team Logo */
.team-logo {
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    margin-right: 6px;
}

/* Forfeit styling */
.team-forfeit {
    opacity: 0.6;
}
.team-forfeit s {
    text-decoration: line-through;
}
.team-forfeit small {
    color: var(--color-warning);
    font-style: italic;
}

/* ============================================================
   PAGE HERO BANNER
   ============================================================ */
.page-hero {
    background: linear-gradient(180deg, var(--color-primary-green) 0%, rgba(0, 0, 0, 0.5) 100%);
    border-bottom: 5px solid var(--color-brown-border);
    padding: 50px 0 40px;
    text-align: center;
    margin-top: -40px;
    margin-bottom: 40px;
}

.page-hero h1 {
    font-size: 56px;
    margin-bottom: 10px;
}

.page-hero .subtitle {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-light-gray);
    opacity: 0.8;
}

/* ============================================================
   TOURNAMENT GRID (public listing)
   ============================================================ */
.tournament-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
    padding: 0 20px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.tournament-card {
    background: var(--color-charcoal);
    border: 2px solid var(--color-brown-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition);
}

.tournament-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.tournament-card-header {
    background: linear-gradient(180deg, var(--color-primary-green) 0%, rgba(0, 0, 0, 0.4) 100%);
    padding: 20px 24px;
    border-bottom: 2px solid var(--color-brown-border);
}

.tournament-card-header h3 {
    font-family: var(--font-display);
    font-size: 26px;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.tournament-card-body {
    padding: 20px 24px;
}

.tournament-meta {
    list-style: none;
    margin-bottom: 16px;
}

.tournament-meta li {
    padding: 6px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tournament-meta .meta-label {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-orange);
    min-width: 100px;
}

.tournament-card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-brown-border);
    display: flex;
    gap: 10px;
}

/* ============================================================
   BRACKET DISPLAY
   ============================================================ */
.bracket-container {
    overflow-x: auto;
    padding: 30px;
}

.bracket {
    display: flex;
    gap: 40px;
    min-width: max-content;
}

.bracket-round {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 220px;
}

.bracket-round-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-orange);
    text-align: center;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-brown-border);
    margin-bottom: 10px;
}

.bracket-match {
    background: var(--color-charcoal);
    border: 1px solid var(--color-brown-border);
    border-radius: 8px;
    overflow: hidden;
    min-width: 200px;
}

.bracket-match-bye {
    opacity: 0.55;
}

.bracket-match-header {
    background: rgba(255, 161, 51, 0.1);
    padding: 4px 10px;
    font-size: 11px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bracket-team {
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(70, 36, 12, 0.3);
    font-size: 14px;
    transition: background var(--transition);
}

.bracket-team:last-child {
    border-bottom: none;
}

.bracket-team.winner {
    background: rgba(45, 122, 58, 0.2);
    color: var(--color-gold);
    font-weight: 700;
}

.bracket-team.loser {
    opacity: 0.5;
}

.bracket-team-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bracket-team-score {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-gold);
    min-width: 30px;
    text-align: right;
}

.bracket-team.tbd {
    color: rgba(223, 223, 223, 0.3);
    font-style: italic;
}

/* ============================================================
   BRACKET TREE LAYOUT (visual flow with connectors)
   ============================================================ */
.bracket-tree {
    display: flex;
    align-items: stretch;
    gap: 0;
    overflow-x: auto;
    padding: 20px 10px;
    min-width: max-content;
}

.bracket-tree .bracket-round {
    display: flex;
    flex-direction: column;
    min-width: 260px;
    gap: 0;
    flex: 1;
}

.bracket-tree .bracket-round-title {
    margin-bottom: 10px;
    flex-shrink: 0;
}

.bracket-tree .bracket-round-matches {
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: space-around;
    min-height: 0;
}

.bracket-match-wrapper {
    display: flex;
    align-items: center;
    padding: 8px 0;
    position: relative;
    flex: 1;
    justify-content: center;
    flex-direction: row;
}

.bracket-match-wrapper .bracket-match {
    flex-shrink: 0;
    width: 200px;
}

/* Horizontal connector line from match to right */
.bracket-connector-right {
    width: 30px;
    height: 2px;
    background: var(--color-brown-border);
    flex-shrink: 0;
}

/* Horizontal connector line from left into match */
.bracket-connector-left {
    width: 30px;
    height: 2px;
    background: var(--color-brown-border);
    flex-shrink: 0;
}

/* Vertical merge line (drawn by JS) */
.bracket-vline {
    position: absolute;
    width: 2px;
    background: var(--color-brown-border);
    pointer-events: none;
    z-index: 1;
}

/* ============================================================
   ROUND ROBIN STANDINGS TABLE
   ============================================================ */
.standings-table {
    margin: 20px 0;
}

.standings-table th.rank-col {
    width: 50px;
    text-align: center;
}

.standings-table td.rank-col {
    text-align: center;
    font-weight: 700;
    color: var(--color-gold);
}

.standings-table tr.advancing {
    background: rgba(45, 122, 58, 0.15);
}

.standings-table tr.advancing td:first-child {
    border-left: 3px solid var(--color-success);
}

/* ============================================================
   TIME SLOT PICKER
   ============================================================ */
.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.time-slot-card {
    background: var(--color-charcoal);
    border: 2px solid var(--color-brown-border);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}

.time-slot-card:hover:not(.slot-full) {
    border-color: var(--color-gold);
    box-shadow: 0 0 10px rgba(254, 214, 17, 0.2);
}

.time-slot-card.slot-selected {
    border-color: var(--color-gold);
    box-shadow: 0 0 15px rgba(254, 214, 17, 0.3);
    background: rgba(254, 214, 17, 0.05);
}

.time-slot-card.slot-full {
    opacity: 0.5;
    cursor: not-allowed;
}

.time-slot-time {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.time-slot-date {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--color-orange);
    margin-bottom: 8px;
}

.time-slot-capacity {
    font-size: 13px;
    color: var(--color-light-gray);
}

.time-slot-capacity .spots-left {
    color: var(--color-success);
    font-weight: 700;
}

.time-slot-capacity .spots-full {
    color: var(--color-danger);
    font-weight: 700;
}

/* ============================================================
   SIGNUP FORM PAGE
   ============================================================ */
.signup-wrapper {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}

.signup-card {
    background: var(--color-charcoal);
    border: 2px solid var(--color-brown-border);
    border-radius: var(--border-radius);
    padding: 40px;
}

.signup-success {
    text-align: center;
    padding: 40px;
}

.signup-success .reg-code {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--color-gold);
    background: var(--color-primary-green);
    padding: 16px 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-gold);
    display: inline-block;
    margin: 20px 0;
    letter-spacing: 3px;
}

/* ============================================================
   AUTH TABS (login/register on signup page)
   ============================================================ */
.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 3px solid var(--color-brown-border);
}

.auth-tab {
    flex: 1;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-light-gray);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    transition: all var(--transition);
    text-align: center;
}

.auth-tab:hover {
    color: var(--color-orange);
}

.auth-tab.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

.auth-panel {
    display: none;
    padding-top: 4px;
}

.auth-panel.active {
    display: block;
}

/* Captain logged-in banner */
.captain-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(45, 122, 58, 0.15);
    border: 1px solid var(--color-success);
    border-radius: var(--border-radius);
    padding: 12px 18px;
    margin-bottom: 24px;
    font-size: 14px;
}

/* ============================================================
   CAPTAIN DASHBOARD
   ============================================================ */
.captain-team-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(70, 36, 12, 0.3);
}

.captain-team-row:last-child {
    border-bottom: none;
}

.captain-team-info {
    flex: 1;
}

.captain-team-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .captain-team-row {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    .captain-team-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* ============================================================
   ROUND LABEL DISPLAY
   ============================================================ */
.round-label-date {
    font-size: 12px;
    opacity: 0.5;
    margin-left: 8px;
}

/* ============================================================
   FLASH MESSAGES
   ============================================================ */
.flash-message {
    padding: 14px 0;
    font-family: var(--font-heading);
    font-size: 14px;
    position: relative;
}

.flash-message .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success  { background: rgba(45, 122, 58, 0.2); color: #6ddb83; border-bottom: 2px solid var(--color-success); }
.flash-error    { background: rgba(192, 57, 43, 0.2); color: #f5a6a0; border-bottom: 2px solid var(--color-danger); }
.flash-warning  { background: rgba(212, 160, 23, 0.2); color: #f0d060; border-bottom: 2px solid var(--color-warning); }
.flash-info     { background: rgba(20, 156, 179, 0.2); color: #5dd5eb; border-bottom: 2px solid var(--color-info); }

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 20px;
    cursor: pointer;
    padding: 0 10px;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* ============================================================
   TWO-STAGE DISPLAY
   ============================================================ */
.two-stage-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 30px;
    border-bottom: 3px solid var(--color-brown-border);
}

.two-stage-tab {
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-light-gray);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    transition: all var(--transition);
}

.two-stage-tab:hover {
    color: var(--color-orange);
}

.two-stage-tab.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

.stage-panel {
    display: none;
}

.stage-panel.active {
    display: block;
}

/* ============================================================
   EMPTY STATES
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state h3 {
    color: var(--color-light-gray);
    opacity: 0.6;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--color-light-gray);
    opacity: 0.4;
    margin-bottom: 20px;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-gold   { color: var(--color-gold); }
.text-orange { color: var(--color-orange); }
.text-teal   { color: var(--color-teal); }
.text-muted  { opacity: 0.5; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

.hidden { display: none; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounceIn {
    0%   { opacity: 0; transform: scale(0.3); }
    50%  { opacity: 1; transform: scale(1.05); }
    70%  { transform: scale(0.9); }
    100% { transform: scale(1); }
}

.fade-in {
    animation: fadeIn 0.4s ease both;
}

.bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) both;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    h1, .h1 { font-size: 36px; }
    h2, .h2 { font-size: 28px; }
    .page-hero h1 { font-size: 40px; }
    .page-hero { padding: 30px 0 25px; }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-primary-green);
        border-bottom: 5px solid var(--color-brown-border);
        flex-direction: column;
        padding: 10px;
    }

    .nav-links.open {
        display: flex;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .tournament-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .signup-card {
        padding: 24px;
    }

    .time-slots-grid {
        grid-template-columns: 1fr;
    }

    .bracket-container {
        padding: 15px;
    }

    .two-stage-tabs {
        flex-wrap: wrap;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    h1, .h1 { font-size: 30px; }
    h2, .h2 { font-size: 24px; }
    .page-hero h1 { font-size: 32px; }

    .site-logo { height: 50px; }

    .btn { padding: 10px 20px; font-size: 13px; }
    .btn-large { padding: 12px 24px; font-size: 14px; }
}