/* static/css/style.css */

body {
    background: linear-gradient(135deg, #0f2027, #2c5364 80%);
    color: #fff;
    font-family: 'Segoe UI', 'Cairo', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.tutor-avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3a5ca8 40%, #1e2e47 100%);
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    animation: float 4s ease-in-out infinite;
    transition: border 0.3s, filter 0.3s;
    position: relative;
    border: 3px solid #4fc3f7;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.tutor-avatar.listening {
    border: 3px solid #29b6f6;
    filter: brightness(1.08);
}

.tutor-avatar.speaking {
    border: 3px solid #1976d2;
    filter: brightness(1.06);
}

.tutor-face {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #e3f2fd 60%, #90caf9 100%);
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: filter 0.3s;
    border: 2.5px solid #1976d2;
}

/* Digital Antenna */
.tutor-face::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -38px;
    transform: translateX(-50%);
    width: 6px;
    height: 36px;
    background: linear-gradient(180deg, #4fc3f7 60%, #1976d2 100%);
    border-radius: 3px;
    z-index: 3;
}

.tutor-face::after {
    content: '';
    position: absolute;
    left: 50%;
    top: -44px;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: #29b6f6;
    border-radius: 50%;
    border: 2px solid #1976d2;
    z-index: 4;
}

.tutor-face.smile::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    width: 38px;
    height: 18px;
    border-radius: 0 0 18px 18px;
    background: #29b6f6;
    opacity: 0.13;
    z-index: 1;
}

.tutor-eyes {
    position: absolute;
    top: 48px;
    left: 30px;
    width: 60px;
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.tutor-eye {
    width: 18px;
    height: 12px;
    background: #0d47a1;
    border-radius: 6px 6px 10px 10px / 8px 8px 12px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 2px solid #29b6f6;
    box-shadow: none;
    transition: width 0.2s, height 0.2s, background 0.2s, border 0.2s;
    overflow: visible;
}

.tutor-eye::after {
    content: '';
    display: block;
    width: 7px;
    height: 7px;
    background: #b3e5fc;
    border-radius: 50%;
    position: absolute;
    left: 4px;
    top: 2px;
    opacity: 0.8;
}

.tutor-eye.idle {
    background: #0d47a1;
    border-color: #29b6f6;
}

.tutor-eye.listening {
    width: 20px;
    height: 14px;
    background: #29b6f6;
    border-color: #4fc3f7;
}

.tutor-eye.speaking {
    width: 18px;
    height: 12px;
    background: #1976d2;
    border-color: #1976d2;
}

.tutor-eyelid {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #e3f2fd;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 10;
}
.tutor-eye.blink .tutor-eyelid {
  opacity: 1;
}

.tutor-mouth {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 12px;
    border-radius: 0 0 18px 18px;
    background: #1976d2;
    z-index: 2;
    animation: mouthIdle 5s infinite alternate;
    transition: background 0.3s, height 0.2s, width 0.2s;
    border-bottom: 3px solid #29b6f6;
    overflow: visible;
}

.tutor-mouth.speaking {
    background: #1976d2;
    animation: mouthSpeaking 0.22s infinite alternate;
    height: 18px;
    width: 40px;
    border-bottom: 3px solid #4fc3f7;
}

.tutor-mouth.listening {
    background: #29b6f6;
    animation: mouthListening 1.2s infinite alternate;
    height: 14px;
    width: 38px;
    border-bottom: 3px solid #4fc3f7;
}

.tutor-tongue {
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 16px;
  height: 8px;
  background: #ff8a65;
  border-radius: 0 0 12px 12px;
  transform: translateX(-50%) scaleY(0);
  opacity: 0.7;
  transition: transform 0.2s;
  z-index: 3;
}
.tutor-mouth.speaking .tutor-tongue {
  transform: translateX(-50%) scaleY(1);
}
.tutor-teeth {
  position: absolute;
  left: 50%;
  top: 2px;
  width: 22px;
  height: 8px;
  background: #fff;
  border-radius: 0 0 12px 12px;
  transform: translateX(-50%) scaleY(0);
  opacity: 0.8;
  transition: transform 0.2s;
  z-index: 2;
}
.tutor-mouth.speaking .tutor-teeth {
  transform: translateX(-50%) scaleY(1);
}

@keyframes mouthIdle {
    0% { height: 12px; width: 36px; }
    100% { height: 14px; width: 38px; }
}

@keyframes mouthListening {
    0% { height: 12px; width: 38px; }
    100% { height: 16px; width: 40px; }
}

@keyframes mouthSpeaking {
    0% { height: 14px; width: 38px; }
    100% { height: 22px; width: 44px; }
}

.state-indicator {
    text-align: center;
    font-size: 1.1em;
    font-weight: bold;
    margin-bottom: 8px;
    min-height: 24px;
    color: #ffeb3b;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.state-indicator.speaking { color: #00e676; }
.state-indicator.idle { color: #b0bec5; }

.chat-container {
    background: #1a2636e6;
    border-radius: 28px;
    padding: 36px 28px 28px 28px;
    box-shadow: 0 8px 32px #0008;
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-top: 12px;
    border: 1.5px solid #00c6ff44;
    transition: box-shadow 0.2s;
}

.chat-container:hover {
    box-shadow: 0 12px 40px #00c6ff44, 0 8px 32px #0008;
}

.messages {
    min-height: 180px;
    max-height: 260px;
    overflow-y: auto;
    margin-bottom: 18px;
    font-size: 1.13em;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 8px;
}

/* Custom Scrollbar for Messages */
.messages::-webkit-scrollbar {
    width: 6px;
}

.messages::-webkit-scrollbar-track {
    background: #1a2636;
    border-radius: 3px;
}

.messages::-webkit-scrollbar-thumb {
    background-color: #4fc3f7;
    border-radius: 3px;
}

.message {
    margin-bottom: 0;
    padding: 10px 18px;
    border-radius: 18px;
    background: #00c6ff22;
    align-self: flex-end;
    max-width: 90%;
    word-break: break-word;
    box-shadow: 0 2px 8px #00c6ff22;
    transition: background 0.2s, box-shadow 0.2s;
    position: relative;
}

.message.user {
    background: #0072ff44;
    align-self: flex-start;
    color: #fff;
    box-shadow: 0 2px 8px #0072ff22;
}

.message.ai {
    background: #00c6ff33;
    color: #fff;
    box-shadow: 0 2px 8px #00c6ff33;
    align-self: flex-end;
}

.message.ai-error {
    background: #e5393566;
    align-self: flex-end;
}

.message:hover {
    background: #00c6ff44;
    box-shadow: 0 4px 16px #00c6ff33;
}

/* Typing Indicator Animation */
.message.ai.typing-indicator {
    padding: 14px 18px;
    display: flex;
    align-items: center;
}

.message.ai.typing-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin: 0 2px;
    background-color: #90caf9;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.message.ai.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.message.ai.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-6px);
    }
}

.controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 2px;
}

.mic-btn, .send-btn {
    background: #00c6ff;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6em;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    box-shadow: 0 2px 8px #00c6ff44;
    outline: none;
    border: 2px solid transparent;
}

.mic-btn.active {
    background: #ffeb3b;
    color: #222;
    border-color: #ffeb3b;
}

.send-btn:active, .mic-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 16px #00c6ff66;
}

.input-box {
    flex: 1;
    border: none;
    border-radius: 18px;
    padding: 14px 18px;
    font-size: 1.08em;
    background: #222b3a;
    color: #fff;
    outline: none;
    box-shadow: 0 2px 8px #00c6ff11;
    transition: box-shadow 0.2s, background 0.2s;
}

.input-box:focus {
    box-shadow: 0 2px 16px #00c6ff33;
    background: #26324a;
}

.tutor-brows {
  position: absolute;
  top: 32px;
  left: 32px;
  width: 56px;
  height: 18px;
  display: flex;
  justify-content: space-between;
  z-index: 3;
}
.tutor-brow {
  width: 22px;
  height: 6px;
  background: #0d47a1;
  border-radius: 12px 12px 18px 18px / 8px 8px 12px 12px;
  position: relative;
  transition: transform 0.3s;
}
.tutor-brow.left {
  transform: rotate(-10deg);
}
.tutor-brow.right {
  transform: rotate(10deg);
}

/* رمش العين */
@keyframes blink {
  0%, 97%, 100% { opacity: 0; }
  98% { opacity: 1; }
}
.tutor-eye .tutor-eyelid {
  animation: blink 4s infinite;
}