/* RETROSPECTIVA ÁGIL - MATERIAL DESIGN 3 */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

:root {
    --md-sys-color-primary: #6750A4;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #EADDFF;
    --md-sys-color-on-primary-container: #21005D;
    --md-sys-color-secondary: #625B71;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #E8DEF8;
    --md-sys-color-on-secondary-container: #1D192B;
    --md-sys-color-tertiary: #7D5260;
    --md-sys-color-on-tertiary: #FFFFFF;
    --md-sys-color-tertiary-container: #FFD8E4;
    --md-sys-color-on-tertiary-container: #31111D;
    --md-sys-color-error: #B3261E;
    --md-sys-color-on-error: #FFFFFF;
    --md-sys-color-error-container: #F9DEDC;
    --md-sys-color-on-error-container: #410E0B;
    --md-sys-color-success: #146C2E;
    --md-sys-color-on-success: #FFFFFF;
    --md-sys-color-warning: #8B5000;
    --md-sys-color-on-warning: #FFFFFF;
    --md-sys-color-info: #0061A4;
    --md-sys-color-on-info: #FFFFFF;
    --md-sys-color-background: #FFFBFE;
    --md-sys-color-on-background: #1C1B1F;
    --md-sys-color-surface: #FFFBFE;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-surface-variant: #E7E0EC;
    --md-sys-color-on-surface-variant: #49454F;
    --md-sys-color-surface-container-lowest: #FFFFFF;
    --md-sys-color-surface-container-low: #F7F2FA;
    --md-sys-color-surface-container: #F3EDF7;
    --md-sys-color-surface-container-high: #ECE6F0;
    --md-sys-color-surface-container-highest: #E6E0E9;
    --md-sys-color-outline: #79747E;
    --md-sys-color-outline-variant: #CAC4D0;
    --md-sys-color-inverse-surface: #313033;
    --md-sys-color-inverse-on-surface: #F4EFF4;
    --md-sys-color-inverse-primary: #D0BCFF;
    --md-sys-elevation-level0: none;
    --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0,0,0,0.3), 0px 1px 3px 1px rgba(0,0,0,0.15);
    --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0,0,0,0.3), 0px 2px 6px 2px rgba(0,0,0,0.15);
    --md-sys-elevation-level3: 0px 1px 3px 0px rgba(0,0,0,0.3), 0px 4px 8px 3px rgba(0,0,0,0.15);
    --md-sys-shape-corner-extra-small: 4px;
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-full: 9999px;
    --md-sys-motion-easing-standard: cubic-bezier(0.2, 0.0, 0, 1.0);
    --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0.0, 0, 1.0);
}

* { box-sizing: border-box; }

.retrospectiva-agil-widget {
    font-family: 'Roboto', sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    background: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
}

.material-icons { font-size: 24px; vertical-align: middle; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); }

/* TOP APP BAR */
.retro-top-app-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--md-sys-color-surface);
    box-shadow: var(--md-sys-elevation-level2);
    margin: -24px -24px 24px -24px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.retro-app-bar-title {
    font-size: 22px;
    font-weight: 400;
    line-height: 28px;
    color: var(--md-sys-color-on-surface);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.retro-app-bar-actions { display: flex; gap: 8px; }

/* DIALOGS */
.retro-dialog-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.retro-dialog {
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--md-sys-shape-corner-extra-large);
    max-width: 560px;
    width: 90%;
    box-shadow: var(--md-sys-elevation-level3);
    overflow: hidden;
}

.retro-dialog-header { padding: 24px 24px 0; }

.retro-dialog-headline {
    font-size: 24px;
    font-weight: 400;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.retro-dialog-content { padding: 0 24px; }
.retro-dialog-supporting-text { font-size: 14px; color: var(--md-sys-color-on-surface-variant); margin-bottom: 24px; }
.retro-dialog-actions { padding: 16px 24px; display: flex; justify-content: flex-end; gap: 8px; }

/* TEXT FIELDS */
.retro-text-field { position: relative; margin-bottom: 24px; }

.retro-text-field input {
    width: 100%;
    padding: 16px;
    border: none;
    border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
    border-radius: var(--md-sys-shape-corner-extra-small) var(--md-sys-shape-corner-extra-small) 0 0;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    transition: all 200ms;
}

.retro-text-field input:focus {
    outline: none;
    border-bottom: 2px solid var(--md-sys-color-primary);
}

.retro-text-field label {
    position: absolute;
    left: 16px;
    top: 16px;
    font-size: 16px;
    color: var(--md-sys-color-on-surface-variant);
    pointer-events: none;
    transition: all 200ms;
}

.retro-text-field input:focus + label,
.retro-text-field input:not(:placeholder-shown) + label {
    top: -8px;
    left: 12px;
    font-size: 12px;
    background: var(--md-sys-color-surface-container-highest);
    padding: 0 4px;
    color: var(--md-sys-color-primary);
}

.retro-card-input {
    width: 100%;
    padding: 16px;
    border: none;
    border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
    border-radius: var(--md-sys-shape-corner-extra-small) var(--md-sys-shape-corner-extra-small) 0 0;
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    min-height: 80px;
    resize: vertical;
}

.retro-card-input:focus {
    outline: none;
    border-bottom: 2px solid var(--md-sys-color-primary);
}

/* BUTTONS */
.retro-btn {
    height: 40px;
    padding: 0 24px;
    border: none;
    border-radius: var(--md-sys-shape-corner-full);
    font-size: 14px;
    font-weight: 500;
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    transition: all 200ms;
    text-transform: uppercase;
    letter-spacing: 0.1px;
}

.retro-btn-filled { background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); }
.retro-btn-filled:hover { box-shadow: var(--md-sys-elevation-level1); }

.retro-btn-tonal { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); }
.retro-btn-text { background: transparent; color: var(--md-sys-color-primary); padding: 0 12px; }
.retro-btn-outlined { background: transparent; color: var(--md-sys-color-primary); border: 1px solid var(--md-sys-color-outline); }

.retro-btn-add {
    background: var(--md-sys-color-tertiary);
    color: var(--md-sys-color-on-tertiary);
    width: 100%;
    margin-top: 12px;
}

.retro-icon-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--md-sys-shape-corner-full);
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 200ms;
}

.retro-icon-btn:hover {
    background: rgba(0,0,0,0.08);
}

/* FAB */
.retro-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: var(--md-sys-shape-corner-large);
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border: none;
    cursor: pointer;
    box-shadow: var(--md-sys-elevation-level3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 90;
    transition: all 200ms;
}

.retro-fab:hover { box-shadow: var(--md-sys-elevation-level4); }

.retro-fab-extended {
    width: auto;
    padding: 0 24px;
    font-size: 14px;
    font-weight: 500;
}

/* CHIPS */
.retro-user-badge,
.retro-votes-remaining {
    height: 32px;
    padding: 0 16px;
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-radius: var(--md-sys-shape-corner-small);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.retro-votes-remaining {
    background: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}

/* PROGRESS */
.retro-linear-progress {
    width: 100%;
    height: 4px;
    background: var(--md-sys-color-surface-variant);
    border-radius: var(--md-sys-shape-corner-full);
    overflow: hidden;
    position: fixed;
    top: 64px;
    left: 0;
    z-index: 99;
}

.retro-linear-progress-bar {
    height: 100%;
    background: var(--md-sys-color-primary);
    transition: width 400ms;
}

/* DIVIDER */
.retro-divider {
    height: 1px;
    background: var(--md-sys-color-outline-variant);
    margin: 24px 0;
    border: none;
}

/* LAYOUT */
.retro-main-content { padding: 0; }

.retro-header {
    text-align: center;
    margin-bottom: 40px;
}

.retro-user-info {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ADMIN PANEL */
.retro-admin-panel {
    background: linear-gradient(135deg, var(--md-sys-color-tertiary-container) 0%, var(--md-sys-color-secondary-container) 100%);
    border-radius: var(--md-sys-shape-corner-extra-large);
    margin-bottom: 32px;
    box-shadow: var(--md-sys-elevation-level2);
    overflow: hidden;
}

.retro-admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    cursor: pointer;
    transition: background 200ms;
}

.retro-admin-header:hover { background: rgba(0,0,0,0.05); }

.retro-admin-title {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    color: var(--md-sys-color-on-tertiary-container);
    display: flex;
    align-items: center;
    gap: 12px;
}

.retro-admin-toggle { transition: transform 300ms; }
.retro-admin-toggle.expanded { transform: rotate(180deg); }

.retro-admin-content { padding: 0 32px 32px; }

.retro-admin-card {
    background: var(--md-sys-color-surface);
    padding: 32px;
    border-radius: var(--md-sys-shape-corner-large);
    box-shadow: var(--md-sys-elevation-level1);
    margin-bottom: 16px;
}

.retro-admin-card:last-child { margin-bottom: 0; }

.retro-admin-card h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
    font-weight: 500;
}

.retro-admin-card p {
    margin: 0 0 20px 0;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 14px;
}

.retro-admin-card code {
    background: var(--md-sys-color-surface-variant);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

.retro-phase-control-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.retro-btn-phase-control {
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface);
    border: 2px solid var(--md-sys-color-outline-variant);
    padding: 16px;
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    text-transform: none;
    transition: all 200ms;
}

.retro-btn-phase-control:hover {
    border-color: var(--md-sys-color-primary);
    background: var(--md-sys-color-primary-container);
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-level2);
}

.retro-btn-phase-control.active {
    border-color: var(--md-sys-color-primary);
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.retro-btn-phase-control .material-icons {
    font-size: 32px;
    margin-bottom: 8px;
}

.retro-btn-phase-control .btn-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.retro-btn-phase-control strong { font-size: 16px; font-weight: 500; }
.retro-btn-phase-control small { font-size: 12px; opacity: 0.8; }

.retro-admin-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.retro-admin-actions .retro-btn {
    flex: 1;
    min-width: 180px;
}

/* PHASE INDICATOR */
.retro-phase-indicator {
    margin-bottom: 40px;
    padding: 32px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-large);
}

.retro-phases {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    position: relative;
}

.retro-phases::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: var(--md-sys-color-outline-variant);
    z-index: 0;
}

.retro-phase {
    flex: 1;
    padding: 16px;
    background: var(--md-sys-color-surface);
    border-radius: var(--md-sys-shape-corner-medium);
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all 300ms;
}

.retro-phase.active {
    background: var(--md-sys-color-primary-container);
    box-shadow: var(--md-sys-elevation-level1);
}

.retro-phase .phase-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    background: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface-variant);
    border-radius: var(--md-sys-shape-corner-full);
    font-size: 16px;
    font-weight: 500;
}

.retro-phase.active .phase-number {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-sys-elevation-level2);
}

.retro-phase .phase-name {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.retro-phase.active .phase-name {
    color: var(--md-sys-color-on-primary-container);
}

/* PHASE MESSAGE */
.retro-phase-message {
    background: var(--md-sys-color-primary-container);
    padding: 20px 32px;
    border-radius: var(--md-sys-shape-corner-medium);
    margin-bottom: 32px;
    text-align: center;
}

.retro-phase-message p {
    margin: 0;
    color: var(--md-sys-color-on-primary-container);
    font-size: 16px;
}

/* BOARD */
.retro-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.retro-column {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-large);
    overflow: hidden;
    box-shadow: var(--md-sys-elevation-level1);
}

.retro-column:hover { box-shadow: var(--md-sys-elevation-level2); }

.retro-column-header {
    padding: 24px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.retro-column-icon { font-size: 28px; }

.retro-column-title {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
}

.retro-cards-container { padding: 24px; }
.retro-add-card { margin-bottom: 24px; }

.retro-cards-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* CARDS */
.retro-card {
    background: var(--md-sys-color-surface-container-highest);
    padding: 20px;
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: var(--md-sys-elevation-level1);
    transition: all 200ms;
}

.retro-card:hover { box-shadow: var(--md-sys-elevation-level2); }

.retro-card-content {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 16px;
}

.retro-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--md-sys-color-outline-variant);
}

.retro-card-author small {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 12px;
    font-weight: 500;
}

.retro-card-actions {
    display: flex;
    gap: 8px;
}

.retro-card-votes {
    display: flex;
    align-items: center;
    gap: 8px;
}

.retro-vote-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--md-sys-shape-corner-full);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 200ms;
}

.retro-vote-btn:hover { background: var(--md-sys-color-surface-variant); }
.retro-vote-btn.voted { background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); }
.retro-vote-btn.disabled { opacity: 0.38; cursor: not-allowed; }

.retro-vote-count {
    font-weight: 500;
    color: var(--md-sys-color-primary);
    font-size: 14px;
    min-width: 20px;
    text-align: center;
}

.retro-delete-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--md-sys-shape-corner-full);
    background: transparent;
    border: none;
    color: var(--md-sys-color-error);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 200ms;
}

.retro-delete-btn:hover { background: var(--md-sys-color-error-container); }

.retro-card.hidden-card .retro-card-content {
    font-size: 24px;
    text-align: center;
    letter-spacing: 3px;
    color: var(--md-sys-color-outline);
}

.retro-card.top-voted {
    border: 2px solid var(--md-sys-color-tertiary);
    background: var(--md-sys-color-tertiary-container);
    box-shadow: var(--md-sys-elevation-level3);
}

.retro-card.top-voted::before {
    content: '🏆';
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 24px;
}

/* SNACKBAR */
.retro-snackbar,
.retro-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--md-sys-color-inverse-surface);
    color: var(--md-sys-color-inverse-on-surface);
    padding: 14px 16px;
    border-radius: var(--md-sys-shape-corner-extra-small);
    box-shadow: var(--md-sys-elevation-level3);
    z-index: 9999;
    font-size: 14px;
    min-width: 344px;
    max-width: 672px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.retro-toast.success { background: var(--md-sys-color-success); color: var(--md-sys-color-on-success); }
.retro-toast.error { background: var(--md-sys-color-error); color: var(--md-sys-color-on-error); }
.retro-toast.info { background: var(--md-sys-color-info); color: var(--md-sys-color-on-info); }
.retro-toast.warning { background: var(--md-sys-color-warning); color: var(--md-sys-color-on-warning); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .retrospectiva-agil-widget { padding: 16px; }
    .retro-top-app-bar { margin: -16px -16px 16px -16px; height: 56px; }
    .retro-board { grid-template-columns: 1fr; gap: 24px; }
    .retro-phases { flex-direction: column; }
    .retro-phases::before { display: none; }
    .retro-admin-header { padding: 16px 20px; }
    .retro-admin-content { padding: 0 20px 20px; }
    .retro-phase-control-buttons { grid-template-columns: 1fr; }
    .retro-admin-actions { flex-direction: column; }
    .retro-admin-actions .retro-btn { width: 100%; }
    .retro-fab-extended span { display: none; }
}

@media (prefers-color-scheme: dark) {
    :root {
        --md-sys-color-primary: #D0BCFF;
        --md-sys-color-on-primary: #381E72;
        --md-sys-color-background: #1C1B1F;
        --md-sys-color-on-background: #E6E1E5;
        --md-sys-color-surface: #1C1B1F;
        --md-sys-color-on-surface: #E6E1E5;
    }
}