/* ================================================================
   TCG AUTHENTICATION
   Dark / Gold Premium Interface
================================================================ */


/* ================================================================
   PAGE
================================================================ */

.auth-page {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
    background: radial-gradient( circle at 50% 0%, rgba(244, 196, 48, 0.08), transparent 32% ), #08090c;
    color: var(--color-text, #f3f4f6);
    font-family: var(--font-family, 'Roboto', sans-serif);
}


/* ================================================================
   BACKGROUND
================================================================ */

.auth-background {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}


.auth-grid {
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background-image: linear-gradient( rgba(255, 255, 255, 0.025) 1px, transparent 1px ), linear-gradient( 90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px );
    background-size: 42px 42px;
    mask-image: linear-gradient( to bottom, black, transparent 80% );
}


.auth-glow {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.08;
}


.auth-glow-left {
    top: -240px;
    left: -220px;
    background: var(--color-primary-yellow, #f4c430);
}


.auth-glow-right {
    right: -250px;
    bottom: -260px;
    background: #c99b00;
}


/* ================================================================
   WRAPPER
================================================================ */

.auth-wrapper {
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 2;
    padding: 32px 20px;
}


/* ================================================================
   BRAND
================================================================ */

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}


.auth-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text, #fff);
    text-decoration: none;
}


.auth-brand-logo {
    width: 46px;
    height: 46px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(244, 196, 48, 0.25));
}

.auth-brand-logo {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.auth-brand-name {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}


.auth-brand-subtitle {
    color: var(--color-text-dim, #6b7280);
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}


/* ================================================================
   CARD
================================================================ */

.auth-card {
    position: relative;
    background: linear-gradient( 145deg, rgba(24, 26, 32, 0.98), rgba(13, 15, 19, 0.98) );
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(244, 196, 48, 0.025);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}


    .auth-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient( 90deg, transparent, rgba(244, 196, 48, 0.6), transparent );
    }


/* ================================================================
   CARD HEADER
================================================================ */

.auth-card-header {
    padding: 34px 34px 26px;
    text-align: center;
}


.auth-card-kicker {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--color-primary-yellow, #f4c430);
    font-size: 0.56rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}


.auth-card-kicker-line {
    width: 24px;
    height: 1px;
    background: rgba(244, 196, 48, 0.45);
}


.auth-card-header h1 {
    margin: 0;
    color: #f9fafb;
    font-size: 1.8rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.025em;
}


.auth-card-header p {
    margin: 9px auto 0;
    max-width: 330px;
    color: var(--color-text-muted, #9ca3af);
    font-size: 0.8rem;
    line-height: 1.6;
}


/* ================================================================
   TABS
================================================================ */

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 0 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}


.auth-tab {
    position: relative;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    background: transparent;
    color: #6b7280;
    font-family: inherit;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    transition: color 150ms ease, background-color 150ms ease;
}


    .auth-tab svg {
        width: 16px;
        height: 16px;
        stroke-width: 2;
    }


    .auth-tab:hover {
        color: #d1d5db;
        background: rgba(255, 255, 255, 0.025);
    }


    .auth-tab.active {
        color: var(--color-primary-yellow, #f4c430);
    }


        .auth-tab.active::after {
            content: "";
            position: absolute;
            left: 22%;
            right: 22%;
            bottom: -1px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary-yellow, #f4c430);
            box-shadow: 0 0 12px rgba(244, 196, 48, 0.45);
        }


/* ================================================================
   FORMS
================================================================ */

.auth-forms {
    padding: 28px 34px 24px;
}


.auth-form {
    animation: authFormIn 250ms ease-out;
}


@keyframes authFormIn {

    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ================================================================
   FIELD
================================================================ */

.auth-field {
    margin-bottom: 18px;
}


    .auth-field label {
        display: block;
        margin-bottom: 8px;
        color: #d1d5db;
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.01em;
    }


.auth-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}


    .auth-label-row label {
        margin-bottom: 8px;
    }


.auth-forgot {
    margin-bottom: 8px;
    color: #8b8f98;
    font-size: 0.62rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 150ms ease;
}


    .auth-forgot:hover {
        color: var(--color-primary-yellow, #f4c430);
    }


/* ================================================================
   INPUT
================================================================ */

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}


    .auth-input-wrapper > svg {
        position: absolute;
        left: 14px;
        width: 16px;
        height: 16px;
        color: #6b7280;
        pointer-events: none;
        transition: color 150ms ease;
    }


    .auth-input-wrapper input {
        width: 100%;
        height: 46px;
        box-sizing: border-box;
        padding: 0 42px 0 42px;
        border: 1px solid rgba(255, 255, 255, 0.09);
        border-radius: 9px;
        outline: none;
        background: rgba(255, 255, 255, 0.035);
        color: #f3f4f6;
        font-family: inherit;
        font-size: 0.76rem;
        transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
    }


        .auth-input-wrapper input::placeholder {
            color: #555b66;
        }


        .auth-input-wrapper input:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }


        .auth-input-wrapper input:focus {
            border-color: rgba(244, 196, 48, 0.7);
            background: rgba(244, 196, 48, 0.025);
            box-shadow: 0 0 0 3px rgba(244, 196, 48, 0.08);
        }


    .auth-input-wrapper:focus-within > svg {
        color: var(--color-primary-yellow, #f4c430);
    }


/* ================================================================
   PASSWORD BUTTON
================================================================ */

.auth-password-toggle {
    position: absolute;
    right: 6px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #6b7280;
    cursor: pointer;
    transition: color 150ms ease, background-color 150ms ease;
}


    .auth-password-toggle:hover {
        color: #d1d5db;
        background: rgba(255, 255, 255, 0.05);
    }


    .auth-password-toggle svg {
        width: 16px;
        height: 16px;
    }


/* ================================================================
   HINT
================================================================ */

.auth-field-hint {
    display: block;
    margin-top: 6px;
    color: #5f6570;
    font-size: 0.58rem;
}


/* ================================================================
   CHECKBOX
================================================================ */

.auth-options {
    margin-top: -2px;
    margin-bottom: 22px;
}


.auth-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #858b95;
    font-size: 0.68rem;
    cursor: pointer;
}


    .auth-checkbox input {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }


.auth-checkbox-box {
    width: 16px;
    height: 16px;
    display: grid;
    place-items: center;
    border: 1px solid #414650;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.025);
    transition: background-color 150ms ease, border-color 150ms ease;
}


    .auth-checkbox-box svg {
        width: 11px;
        height: 11px;
        opacity: 0;
        color: #111;
        stroke-width: 3;
    }


.auth-checkbox input:checked + .auth-checkbox-box {
    border-color: var(--color-primary-yellow, #f4c430);
    background: var(--color-primary-yellow, #f4c430);
}


    .auth-checkbox input:checked + .auth-checkbox-box svg {
        opacity: 1;
    }


/* ================================================================
   SUBMIT
================================================================ */

.auth-submit {
    width: 100%;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(244, 196, 48, 0.5);
    border-radius: 9px;
    background: linear-gradient( 135deg, #f8d34e, var(--color-primary-yellow, #f4c430) );
    color: #111827;
    font-family: inherit;
    font-size: 0.76rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(244, 196, 48, 0.08);
    transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease;
}


    .auth-submit:hover {
        transform: translateY(-1px);
        box-shadow: 0 12px 28px rgba(244, 196, 48, 0.15);
        filter: brightness(1.04);
    }


    .auth-submit:active {
        transform: translateY(0);
    }


    .auth-submit:disabled {
        opacity: 0.65;
        cursor: not-allowed;
        transform: none;
    }


.auth-submit-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}


    .auth-submit-content svg {
        width: 16px;
        height: 16px;
        stroke-width: 2.5;
    }


.auth-submit-register {
    margin-top: 6px;
}


/* ================================================================
   LOADING
================================================================ */

.auth-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(17, 24, 39, 0.25);
    border-top-color: #111827;
    border-radius: 50%;
    animation: authSpin 700ms linear infinite;
}


@keyframes authSpin {

    to {
        transform: rotate(360deg);
    }
}


/* ================================================================
   MESSAGES
================================================================ */

.auth-message {
    margin-bottom: 18px;
    padding: 12px 14px;
    border-radius: 9px;
    font-size: 0.7rem;
    line-height: 1.5;
    animation: authMessageIn 220ms ease-out;
}


.auth-message-error {
    border: 1px solid rgba(239, 68, 68, 0.28);
    background: rgba(239, 68, 68, 0.07);
    color: #fca5a5;
}


    .auth-message-error::before {
        content: "";
        display: inline-block;
        width: 7px;
        height: 7px;
        margin-right: 8px;
        border-radius: 50%;
        background: #ef4444;
        box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
    }


.auth-error-list p {
    margin: 5px 0;
}


    .auth-error-list p:first-child {
        margin-top: 0;
    }


    .auth-error-list p:last-child {
        margin-bottom: 0;
    }


@keyframes authMessageIn {

    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ================================================================
   CARD FOOTER
================================================================ */

.auth-card-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.055);
    color: #565c67;
    font-size: 0.59rem;
    font-weight: 600;
}


    .auth-card-footer svg {
        width: 13px;
        height: 13px;
        color: #777d87;
    }


/* ================================================================
   PAGE FOOTER
================================================================ */

.auth-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: 20px;
    color: #4e545e;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}


    .auth-footer a {
        color: #6b7079;
        text-decoration: none;
        transition: color 150ms ease;
    }


        .auth-footer a:hover {
            color: var(--color-primary-yellow, #f4c430);
        }


.auth-footer-separator {
    color: #343941;
}


/* ================================================================
   UTILITY
================================================================ */

.hidden {
    display: none !important;
}


/* ================================================================
   RESPONSIVE
================================================================ */

@media (max-width: 520px) {

    .auth-wrapper {
        padding: 22px 14px;
    }

    .auth-card-header {
        padding: 28px 24px 22px;
    }

    .auth-forms {
        padding: 24px 24px 22px;
    }

    .auth-tabs {
        margin: 0 18px;
    }

    .auth-card-header h1 {
        font-size: 1.55rem;
    }
}


@media (max-width: 380px) {

    .auth-brand-subtitle {
        display: none;
    }

    .auth-card-header {
        padding-left: 18px;
        padding-right: 18px;
    }

    .auth-forms {
        padding-left: 18px;
        padding-right: 18px;
    }
}